| Date | IP Address |
| 2025-02-19 | 44.194.10.14 (ClassC) |
| 2025-03-12 | 54.88.243.16 (ClassC) |
| 2025-05-01 | 34.192.107.246 (ClassC) |
| 2025-05-15 | 54.235.201.48 (ClassC) |
| 2025-05-22 | 100.25.63.151 (ClassC) |
| 2025-06-11 | 54.163.134.35 (ClassC) |
| 2025-07-01 | 54.88.43.86 (ClassC) |
| 2025-08-19 | 23.22.82.107 (ClassC) |
| 2025-08-22 | 107.20.207.76 (ClassC) |
| 2025-09-18 | 104.18.42.162 (ClassC) |
| Date | Domain | IP |
| staging.isv.shift4payments.com | 2025-02-19 | 98.80.152.214 |
| staging.membership.isv.shift4payments.com | 2025-02-19 | 44.194.10.14 |